2 + 2 - 1 + 1267788 - 100
Using BODMAS (Order of operations);
We add first:
2 + 2 + 1267788 = 1267792
Secondly we subtract:
-1 - 100 = -101
Finally add the two answers:
1267792 + -101 = 1267691
Since we know a triangle only has 180 degrees we can say:
99+3x+x+5=180
Then we can solve for x:
4x+104=180
4x=76
x=19
Answer: "...in descending order."
There you go.